The Waveshare 32157 is the RS485-HUB-2P module which is an industrial-grade Isolated 2-Channel RS485 Hub, DIN Rail-mount, Wide Baud rate Range, Expands 2-channel RS485 Sub Ports Via 1-channel RS485 Master Port, with isolation and Signal Relay.
Part No.:RS485-HUB-2P
Package Contents:
- RS485-HUB-2P x1
- Screwdriver x1
Isolated 2-ch RS485 Hub
Expands 2-ch RS485 ports via 1-ch RS485 master port, with isolation and relay.
Features
RS485-HUB-2P is an industrial grade isolated RS485 hub that can expand 2-ch RS485 sub ports through 1-ch RS485 master port. It can realize signal relay, extension and isolation functions of RS485 network, with screw terminal for power input. Rail-mount case design, easy to install, and cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring...
Specifications
|
Interface standard |
Compliant with RS485 standard |
|
Physical interface |
RS485 screw terminals |
|
Baud rate |
300~460800bps (self-adaptive) |
|
supported nodes |
Each RS485 port supports up to 32 nodes |
|
Communication distance |
1200m (9600bps), the higher the rate, the shorter distance |
|
Operating mode |
RS485 two-wire (A, B), half-duplex transparent transmission |
|
Power supply |
DC 5V ~ 36V |
|
Operating temperature |
-45 ~ +85℃ |
|
Environment humidity |
<95%RH |
|
Transmission medium |
Normal parallel cables/twisted-pair cables |
Primary function
Supports RS485 network relay, extension and isolation functions.
Application Diagram
Point-to-point RS485 Relay Communication
Supports RS485 one-to-two expansion, point-to-point, half-duplex, and relay communication.
Point-to-multipoint RS485 Relay Communication
Supports RS485 bus star topology connection for flexible networking,
with built-in signal relay and amplification.
Multi-Device RS485 Cascading Communication
Supports cascading of multiple RS485 devices to solve multi-node networking connection issues in large systems,
ensuring stable and reliable signal amplification.
Industrial isolation protection
Built-in optoelectronic isolation circuit, can effectively isolate RS485 master and sub devices, provides multiple
protection such as anti-electrostatic, lightning-proof & anti-surge, which is suitable for the industrial environment
with high reliability and safety requirements.
Wide baud rate range
Supports 300~460800bps Wide Baud Rate Communication Range (self-adaptive)
Wall-mount and Rail-mount Support
Supports 35mm standard guide rail, with rail-mount buckle, easy to install
Interface introduction
Outline Dimensions
Wiki: RS485-HUB-2P
